1 in. Copper x Copper Swing Check Valve, Lead-Free
1 in. Copper x Copper Swing Check Valve, Lead-Free
Sizes in This Series
Lead-Free Swing Check Valve, Sweat x Sweat. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 1/2 in. | 940362LF | $9.99 | Add to cart |
| 1 in. (this page) | 940364LF | $18.99 | — |
Overview
The Midland Industries 940364LF is a 1 in. lead-free brass swing check valve with Sweat x Sweat (copper solder) ends. A hinged brass disc swings open with forward flow and seats on reverse flow to stop backflow, with a full-bore swing design that keeps pressure drop low. Rated to 200 PSI WOG and lead-free, it is suitable for potable-water and general service.
Technical Specifications
| Manufacturer | Midland Industries |
| Part Number (MPN) | 940364LF |
| Nominal Size | 1 in. |
| End Connections | Sweat x Sweat (copper solder) |
| Valve Type | Swing check |
| Pressure Rating | 200 PSI WOG |
| Flow | One direction - install with arrow in flow direction |
| Lead Content | Lead-free - suitable for potable water |
Materials of Construction
| Body | Lead-free brass |
| Disc | Brass |
| Seal | Fiber |
Typical Applications
Backflow prevention on potable-water lines, pump discharge, hydronic loops, and general plumbing where a lead-free check is required by code. Swing checks suit horizontal runs and low-pressure-drop applications. Match the arrow to the direction of flow.
Cross-Reference and Interchange
This valve cross-references to these competitor and industry part numbers: 1739192KL, 40032-16, 521C05LF . Replacing one of these? Match nominal size, end connections, and the rating for a direct fit, or send us your part number and we will confirm the interchange.
Sizing and Installation Resources
- Check Valve Types: Swing, Spring, Wafer, Ball
- Lead-Free Valves and NSF/ANSI 61 Compliance
- Valve Pressure and Temperature Ratings
- NPT Tightening: Turns Past Hand-Tight
- Pipe Thread Sealants: Teflon Tape vs Pipe Dope
Frequently Asked Questions
Is this check valve safe for drinking water?
Yes. It is lead-free brass and suitable for potable-water lines.
Which way does it install?
In one direction only - install with the arrow pointing in the direction of flow.
Swing check or inline check?
Swing checks use a hinged disc and suit horizontal runs with minimal pressure drop. See our check valve types guide above.
What is the pressure rating?
200 PSI WOG.
California Proposition 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.